JLPT N4 Grammar
Practice 10 questions

としょかんでは　しずかに　＿＿＿。

• Correctしなければ　なりませんCorrect — expresses the obligation "must be quiet" in a library.
• Wrongしなくても　いいですMeans "don't have to", the opposite of obligation.
• Wrongしては　いけませんMeans "(being quiet) is forbidden", the opposite of the context.
• Wrongしない　ほうが　いいですMeans ‘better not to', doesn't express obligation.

Explanation. 「～なければなりません」 is an N4 pattern expressing the obligation "must do".

Choose the grammatically correct sentence.

• Correctあめが　ふっているので、かさを　もって　いきますCorrect — the order cause (it's raining) → result (bringing an umbrella) is natural.
• Wrongかさを　あめが　ふっているので、もって　いきますThe object 「かさを」 placed before the cause clause is awkward.
• Wrongもって　いきます、あめが　ふっているので、かさをThe conclusion at the very front isn't natural word order.
• Wrongあめが　かさを　ふっているので、もって　いきますThe particle placement is wrong, producing the odd meaning "rain is raining the umbrella".

Explanation. Japanese naturally states the cause/reason clause first, followed by the conclusion.

きょうは　しゅくだいが　おおいです。（　　）、はやく　うちに　かえって　べんきょうします。

• CorrectだからCorrect — fits the cause-and-effect of "lots of homework today" → "so I'll go home early and study".
• WrongでもMeans "however", a contrastive conjunction that doesn't fit.
• WrongところでMeans "by the way" (topic change), doesn't fit.
• WrongそれともMeans "or" (choice), doesn't fit.

Explanation. The connective 「だから」 naturally links cause and result.